A bright, tangy slice of Key Lime Pie brings to mind a sun-soaked summer afternoon, with a cool breeze brushing past. This recipe takes just about an hour to prepare, allowing you to enjoy an incredibly refreshing dessert that’s truly uplifting. The balance of tartness from the key lime juice against the sweet, creamy filling makes this pie irresistible.
This recipe is perfect for anyone looking to impress guests at a summer barbecue or a casual get-together. It’s ideal for celebrations or simply indulging in a sweet treat on a warm day. You can make it a day in advance, keeping it fresh and ready to serve.
Why You’ll Love This Recipe
- The crust is a buttery, crispy contrast to the creamy filling.
- Each slice melts in your mouth with a perfect balance of tart and sweet.
- The recipe is straightforward and requires minimal ingredients.
- It’s a crowd-pleaser, loved by both kids and adults alike.
What You’ll Need
Gather the following ingredients for a delicious Key Lime Pie:
For the Crust
- 1 1/4 cup graham cracker crumbs
- 1/4 cup sugar
- 5 Tbsp butter, melted
For the Pie Filling
- 2 14 oz. cans sweetened condensed milk
- 1/2 cup sour cream
- 3/4 cup key lime juice
- Grated lime zest for garnish
- Whipped cream for garnish
Substitutions available for key lime juice.
Substitutions & Swaps
- Use regular lime juice if key lime isn’t available.
- Swap sour cream for Greek yogurt.
- Consider coconut cream for a tropical twist.
- Replace graham crackers with crushed digestive biscuits.
How to Make It
Create your perfect Key Lime Pie in just a few simple steps.
Prepare the Crust
Mix the graham cracker crumbs, sugar, and melted butter in a bowl until well combined. Press this mixture firmly into the bottom and up the sides of a pie dish. Bake the crust in a preheated oven at 350°F (175°C) for 10 minutes, then remove it to cool.
Make the Filling
In a separate bowl, combine sweetened condensed milk, sour cream, and key lime juice. Whisk the ingredients together until the mixture is smooth and well-blended. Pour the filling into the cooled crust.
Bake the Pie
Place the assembled pie back in the oven for 15 minutes. This ensures the filling sets up properly while still retaining its creamy texture. Once done, let it cool on the counter for 30 minutes, then refrigerate for at least 2 hours.
How to Store It
Fridge: Keep it covered in an airtight container for up to 4 days.
Freezer: Yes, for up to a month, though texture may change.
Reheat: Enjoy it chilled; no reheating required.
Tips for Best Results
- Use freshly squeezed key lime juice for the best flavor.
- Allow the pie to chill for several hours for a firmer texture.
- Top with whipped cream right before serving for a fresh look.
- Garnish with extra lime zest for added visuals and flavor.
Serving Suggestions
- Serve with fresh berries for a vibrant touch.
- Pair with a scoop of vanilla ice cream for extra decadence.
- Enjoy at gatherings or as a refreshing dessert on a hot day.




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